1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2017 Facebook
3
4 #include "vmlinux.h"
5 #include <bpf/bpf_helpers.h>
6 #include <bpf/bpf_tracing.h>
7 #include <bpf/bpf_core_read.h>
8 #include "bpf_misc.h"
9
10 int kprobe_res = 0;
11
12 /**
13 * This program will be manually made sleepable on the userspace side
14 * and should thus be unattachable.
15 */
16 SEC("kprobe/" SYS_PREFIX "sys_nanosleep")
17 int handle_kprobe_sleepable(struct pt_regs *ctx)
18 {
19 kprobe_res = 1;
20 return 0;
21 }
22
23 char _license[] SEC("license") = "GPL";
24
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.